overthrust: Meaning and Definition of

o•ver•thrust

Pronunciation: (ō'vur-thrust"), [key]
— n. Geol.
  1. a thrust fault with a low dip and a large slip.
  2. a thrust fault in which the hanging wall was the one that moved (opposed to underthrust).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.